Answer:
x=28
Step-by-step explanation:
First you want to get the x by itself so
x/4+3=10
-3 -3
x/4=7
times both sides to get rid of the 4 on the x
28
x/4 + 3 = 10
x/4 = 10-3 = 7
x = 7×4
x = 28